against women in science. behind the headlines: bpa, a chemical used in plastic that's everywhere and raising health concerns. wa >> hello, i'm bonnie erbe. welcome to to the contrary, a discussion of news and social trends from diverse perspectives. up first, tweeting firestorm. gop vice presidential candidate paul ryan generated controversy this week when he stopped off from his campaign to buy hunting gear for his 10-year-old daughter. the avid hunter said his daughter is ready to go hunting for the first time. he bought her a rifle for christmas last year. ryan fans banded together on twitter to show their second amendment support by posting pictures of their daughters shooting all types of guns, ranging from pistols to semi-automatic weapons. the informal girls with guns campaign had hundreds of fans posting stories and pictures to twitter and other social networking sites. but not everyone is all smiles. some parents voiced concern about putting guns in the hands of children. >> so congresswoman, norton, will this help lower the coveted women wrote to the romney/ryan ticket.